git log --since=2013-01-01 --until=2023-06-31 --format='%aN' | sort -u | while read name; do
    echo -en "$name\t"
    git log --author="$name" --pretty=tformat: --numstat | grep "\(.html\|.cpp\|.hpp\|.h\|.py\|.qss\|.java\|.yml\|.xml\|.properties\)$" | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -
done
